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  4. On laser fusion cutting of metals
 
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1987
Journal Article
Title

On laser fusion cutting of metals

Abstract
The laser fusion cutting of metals is modelled theoretically for high cutting velocities assuming that light absorption occurs according to the classical Fresnel formulae. For a beam polarised in the cutting direction, a threshold intensity for efficient cutting exists. The dependence of the cutting depth and the mean absorbed laser power on the laser intensity and the mode number is discussed. An optimal choice for the laser focus position and the beam divergence is derived.
Author(s)
Schulz, W.
Simon, G.
Urbassek, H.M.
Decker, I.
Journal
Journal of Physics. D. Applied Physics  
Language
English
Fraunhofer-Institut für Lasertechnik ILT  
Keyword(s)
  • absorption

  • application

  • calculation

  • cutting

  • investigation

  • symmetry

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